body {
    margin: 0;
    background: #f0f0f0;
    font-family:  'Roboto', Helvetica, Arial, sans-serif;
}

button {
    margin-top: 10px;
    padding: 5px;
    background: #eee;
    border: none;
    border-radius: 3px;
    color: #ffffff;
    font-family: inherit;
    font-size: 16px;
    outline: none !important;
    cursor: pointer;
}

button[disabled] {
    background: #aaa !important;
    cursor: default;
}

#btn-start-recording {
    background: #5db85c;
}

#btn-stop-recording {
    background: #d95450;
}

#player {
    width: 330px;
    margin: 0 auto;
    border: 1px solid #ddd;
    background: #ffffff;
}

audio {
    width: 100%;
}